9.a. If a 33% load increase is suddenly applied to an alternator having a 25% reactance, the initial voltage drop will be about A. 8.25% B. 13.25% C. 3.3% D. 2.5% 9.b. At what speed must a four-pole alternator operate to produce a 100-cps alternating voltage? A. 3000 rpm B. 12,000 rpm C. 1500 rpm D. 6000 rpm

9.a. If a 33% load increase is suddenly applied to an alternator having a 25% reactance, the initial voltage drop will be about A. 8.25% B. 13.25% C. 3.3% D. 2.5% 9.b. At what speed must a four-pole alternator operate to produce a 100-cps alternating voltage? A. 3000 rpm B. 12,000 rpm C. 1500 rpm D. 6000 rpm

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Three-phase Alternators

Section: Chapter Questions

Problem 1RQ: What conditions must be met before two alternators can be paralleled together?

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